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Robustness of the method for potentiometric and complexometric titration.
| Potentiometric titration | Complexometric titration | |
|---|---|---|
| Critical value | 0.0022 | 0.0038 |
| HCl volume | 0.0006 | NR∗ |
| Heating temperature | NR∗ | 0.0081 |
| pH | NR∗ | 0.0027 |
| Rest time | 0.0016 | 0.0126 |
| Sample weight | NR | 0.0223 |
| Starring time | 0.0017 | 0.0018 |
| Starring velocity | 0.0014 | NR∗ |
| Titrant addition rate | 0.0017 | NR∗ |
∗NR: no response.
